Siemens Simatic ET 200SP Analog input module, 16bitProduct Overview SIMATIC ET 200SP, Analog input module, AI 8XI 2 4 wire Basic, suitable for BU type A0, A1, Color code CC01, Module diagnostics, 16 bit This cost effective analog input module is specifically designed for the SIMATIC ET 200SP distributed I O system, optimized for current measurement applications. With 8 analog inputs dedicated to current signals in 2 wire or 4 wire configurations, it provides reliable and accurate current monitoring